                    &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}&\multicolumn{1}{c}{(4)}\\
                    &\multicolumn{1}{c}{\shortstack{Payments for \\ Emergency Rides (Log)}}&\multicolumn{1}{c}{\shortstack{Payments for \\ Emergency Rides}}&\multicolumn{1}{c}{\shortstack{Total Emergency \\ Rides (Log)}}&\multicolumn{1}{c}{\shortstack{Total Emergency \\ Rides}}\\
\midrule
Prior Authorization &     -0.0164         &      4412.0         &   -0.000333         &       11.53         \\
                    &    (0.0445)         &    (3648.9)         &    (0.0242)         &     (9.353)         \\
\midrule
Year-Month FE       &           1         &           1         &           1         &           1         \\
District FE         &           1         &           1         &           1         &           1         \\
Dep. Var. Mean      &       11.13         &    120302.6         &       5.289         &       327.0         \\
Observations        &        7272         &        7272         &        7272         &        7272         \\
